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Finding the Fourth Proportional to 184,430.60, 276,645.90 and 164,731.40

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Solution

The fourth proportional to 184,430.60, 276,645.90 and 164,731.40 is: 247,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,430.60 : 276,645.90 = 164,731.40 : x
  2. Step 2: Convert to fraction form
    184,430.60/276,645.90 = 164,731.40/x
  3. Step 3: Cross multiply
    184,430.60x = 276,645.90 × 164,731.40
  4. Step 4: Simplify right side
    184,430.60x = 45,572,266,411.26
  5. Step 5: Solve for x
    x = 45,572,266,411.26/184,430.60
  6. Step 6: Final answer
    x = 247,097.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.